<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title></title>
	<style type="text/css">
		*{
			margin: 0;
			padding: 0;
		}
		body{
			background-color: rgb(0, 153, 255, 1.0);
		}
		.box{
			width: 500px;
			height: 500px;
			position: relative;
			left: 50%;
			top: 50%;
			transform: translate(-50%);
			display: flex;
			justify-content: center;
			align-items: center;
		}
		.box>div{
			border: 5px solid #FFF;
			position: absolute;
/*			left: 50%;
			top: 50%;*/
/*			transform: translate(-50%,-50%);*/

			border-radius: 50%;
		}
		.box .one{
			width: 400px;
			height: 400px;
			border-left: 5px solid transparent;
			border-top: 5px solid transparent;
			border-bottom: 5px solid transparent;
			animation: move1 1.8s linear infinite;

		}
		.box .two{
			width: 300px;
			height: 300px;
			border-left: 5px solid transparent;
			border-top: 5px solid transparent;
			border-right: 5px solid transparent;
			animation: move1 1.5s linear reverse infinite;

		}
		.box .thrre{
			width: 200px;
			height: 200px;
			border-right:5px solid transparent;
			border-top: 5px solid transparent;
			border-bottom:5px solid transparent;
			animation: move1 01s linear infinite;

		}
		@keyframes move1{
			0%{
				transform: rotate(0deg) ;
			}
			100%{
				transform: rotate(365deg);
			}
		}
	</style>
</head>
<body>
	<div class="box">
		<div class="one"></div>
		<div class="two"></div>
		<div class="thrre"></div>
	</div>
</body>
</html>